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AR15.COM
11/3/2013 9:06:42 PM EDT
No luck on a search.  I've seen skeleton hammers on 1911s and Hi powers.  Some of the metal looks awful thin.  I was wondering what would happen if the firearms fell just right on the wrong surface if the hammer would crack.  Has anyone read of this happening?  Thanks.
11/4/2013 8:13:51 AM EDT
[#1]
cracked/broken skeletonized hammers are not uncommon in USPSA...
11/4/2013 11:41:00 AM EDT
[#2]
Any skeletonizing of a hammer weakens it.
It's a trade-off between having a lighter or what an owner thinks is a more attractive hammer, and strength.

Also, some makers use MIM hammers which are even more prone to breaking.
Some of the more radically skeletonized hammers are pretty easily broken.
11/4/2013 12:02:52 PM EDT
[#3]
Most of the non-competition Commander hammers are OK for most usage.
The IPSC guys can take the whole lightweight thing a little too far.  Regular shooters don't need that kind of hammer.

I've got a McCormick hammer on my Commander that's 25,000+ rounds old .  It hasn't failed.
11/4/2013 12:03:35 PM EDT
[#4]
Ultra Low Mass Koenig Hammer from EGW years of use, close to 30,000 cycles of live ammo no crack to date, but then its never really been dropped.

If I was looking for low mass hammers EGW would be the only stop for me.